exports.newFoundationsUtilitiesDateTimeFunctions = function () {

    let thisObject = {
        removeTime: removeTime,
        getPercentage: getPercentage,
        areTheseDatesEqual: areTheseDatesEqual
    }

    return thisObject

    function removeTime(datetime) {
        let date = new Date(datetime)
        return new Date(date.getUTCFullYear() + "-" + (date.getUTCMonth() + 1) + "-" + date.getUTCDate() + " " + "00:00" + TS.projects.foundations.globals.timeConstants.GMT_SECONDS);
    }

    function getPercentage(fromDate, currentDate, lastDate) {
        let fromDays = fromDate.valueOf()
        let currentDays = currentDate.valueOf()
        let lastDays = lastDate.valueOf()
        let percentage = (currentDays - fromDays) * 100 / (lastDays - fromDays)
        if ((lastDays - fromDays) === 0) {
            percentage = 100
        }
        if (percentage > 100) { percentage = 100 }
        return percentage
    }

    function areTheseDatesEqual(date1, date2) {
        let day1Days = Math.trunc(date1.valueOf() / TS.projects.foundations.globals.timeConstants.ONE_DAY_IN_MILISECONDS)
        let day2Days = Math.trunc(date2.valueOf() / TS.projects.foundations.globals.timeConstants.ONE_DAY_IN_MILISECONDS)

        if (day1Days === day2Days) {
            return true
        } else {
            return false
        }
    }
}